In tracing the career of the erring philosophers, or the wilful cheats, who have encouraged or preyed upon the credulity of mankind, it will simplify and elucidate the subject, if we divide it into three classes: the first comprising alchymists, or those in general who have devoted themselves to the discovering of the philosopher's stone and the water of life; the second comprising astrologers, necromancers, sorcerers, geomancers, and all those who pretended to discover futurity; and the third consisting of the dealers in charms, amulets, philters, universal-panacea mongers, touchers for the
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